RU2617493C2 - Способы и композиции, содержащие пыль цементной печи с измененным размером частиц - Google Patents
Способы и композиции, содержащие пыль цементной печи с измененным размером частиц Download PDFInfo
- Publication number
- RU2617493C2 RU2617493C2 RU2014137467A RU2014137467A RU2617493C2 RU 2617493 C2 RU2617493 C2 RU 2617493C2 RU 2014137467 A RU2014137467 A RU 2014137467A RU 2014137467 A RU2014137467 A RU 2014137467A RU 2617493 C2 RU2617493 C2 RU 2617493C2
- Authority
- RU
- Russia
- Prior art keywords
- dust
- cement
- particle size
- cement kiln
- additive
- Prior art date
Links
- 239000000428 dust Substances 0.000 title claims abstract description 151
- 239000002245 particle Substances 0.000 title claims abstract description 132
- 239000000203 mixture Substances 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000004568 cement Substances 0.000 claims abstract description 200
- 239000012530 fluid Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 25
- 238000000227 grinding Methods 0.000 claims abstract description 15
- 238000011282 treatment Methods 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 8
- 239000000654 additive Substances 0.000 claims description 55
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 230000000996 additive effect Effects 0.000 claims description 34
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 33
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 33
- 239000004571 lime Substances 0.000 claims description 33
- 239000010881 fly ash Substances 0.000 claims description 23
- 239000010451 perlite Substances 0.000 claims description 18
- 235000019362 perlite Nutrition 0.000 claims description 18
- 239000010457 zeolite Substances 0.000 claims description 18
- 239000002893 slag Substances 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- 239000008262 pumice Substances 0.000 claims description 15
- 241000209094 Oryza Species 0.000 claims description 14
- 235000007164 Oryza sativa Nutrition 0.000 claims description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 14
- 235000009566 rice Nutrition 0.000 claims description 14
- 229910021536 Zeolite Inorganic materials 0.000 claims description 13
- 239000010903 husk Substances 0.000 claims description 13
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 13
- 239000002956 ash Substances 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- 239000010454 slate Substances 0.000 claims description 11
- 239000011396 hydraulic cement Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 230000006866 deterioration Effects 0.000 claims description 5
- -1 filtering aid Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 230000008961 swelling Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000004088 foaming agent Substances 0.000 claims description 4
- 230000009974 thixotropic effect Effects 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000004005 microsphere Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002518 antifoaming agent Substances 0.000 claims 3
- 239000002270 dispersing agent Substances 0.000 claims 3
- 238000007711 solidification Methods 0.000 claims 3
- 230000008023 solidification Effects 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000011342 resin composition Substances 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 description 19
- 238000012360 testing method Methods 0.000 description 12
- 238000005553 drilling Methods 0.000 description 10
- 239000011398 Portland cement Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000003672 processing method Methods 0.000 description 4
- 230000000246 remedial effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000010754 BS 2869 Class F Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000003180 well treatment fluid Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- 235000015076 Shorea robusta Nutrition 0.000 description 2
- 244000166071 Shorea robusta Species 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910002026 crystalline silica Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 229910001579 aluminosilicate mineral Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004181 pedogenesis Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/399,913 | 2012-02-17 | ||
| US13/399,913 US8281859B2 (en) | 2005-09-09 | 2012-02-17 | Methods and compositions comprising cement kiln dust having an altered particle size |
| PCT/US2013/026162 WO2013123207A2 (en) | 2012-02-17 | 2013-02-14 | Methods and compositions comprising cement kiln dust having an altered particle size |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2014137467A RU2014137467A (ru) | 2016-04-10 |
| RU2617493C2 true RU2617493C2 (ru) | 2017-04-25 |
Family
ID=47750860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2014137467A RU2617493C2 (ru) | 2012-02-17 | 2013-02-14 | Способы и композиции, содержащие пыль цементной печи с измененным размером частиц |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2770100C1 (ru) * | 2019-02-01 | 2022-04-14 | Халлибертон Энерджи Сервисез, Инк. | Совместимые буферные жидкости из низкокристаллического диоксида кремния |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2017016313A (es) | 2015-09-18 | 2018-03-02 | Halliburton Energy Services Inc | Agentes de mejora de contraste para fluidos de tratamiento subterraneo. |
| CN105670586B (zh) * | 2016-03-04 | 2018-08-17 | 中国石油大学(华东) | 一种用于低含水油井的洗井液 |
| CN110080700A (zh) * | 2018-01-26 | 2019-08-02 | 中石化石油工程技术服务有限公司 | 一种环保型钻井液粒度优化的方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1766874A1 (ru) * | 1990-03-22 | 1992-10-07 | Научно-Производственная Фирма Эспо | Способ изготовлени строительных изделий |
| WO1993021122A1 (en) * | 1992-04-13 | 1993-10-28 | Aalborg Portland A/S | Cement composition |
| US7199086B1 (en) * | 2005-11-10 | 2007-04-03 | Halliburton Energy Services, Inc. | Settable spotting compositions comprising cement kiln dust |
| WO2009071962A2 (en) * | 2007-12-04 | 2009-06-11 | Holcim Technology Ltd. | Cementitious compositions for oilwell cementing applications |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2871133A (en) * | 1956-12-10 | 1959-01-27 | Peerless Cement Corp | Inorganic dust treatment process |
| CA2637107A1 (en) * | 2005-01-14 | 2006-07-20 | Alkemy, Ltd. | Synthetic aggregates comprising sewage sludge and other waste materials and methods for producing such aggregates |
| TWI397511B (zh) * | 2005-01-14 | 2013-06-01 | Alkemy Ltd | 含污水淤泥與其他廢棄物的合成聚集體以及製造此類聚集體的方法 |
| US7213646B2 (en) * | 2005-09-09 | 2007-05-08 | Halliburton Energy Services, Inc. | Cementing compositions comprising cement kiln dust, vitrified shale, zeolite, and/or amorphous silica utilizing a packing volume fraction, and associated methods |
| US7341105B2 (en) * | 2006-06-20 | 2008-03-11 | Holcim (Us) Inc. | Cementitious compositions for oil well cementing applications |
-
2013
- 2013-02-14 WO PCT/US2013/026162 patent/WO2013123207A2/en active Application Filing
- 2013-02-14 EP EP13706390.5A patent/EP2814787B1/en active Active
- 2013-02-14 CA CA2863987A patent/CA2863987C/en not_active Expired - Fee Related
- 2013-02-14 IN IN6809DEN2014 patent/IN2014DN06809A/en unknown
- 2013-02-14 MX MX2014009888A patent/MX364245B/es active IP Right Grant
- 2013-02-14 RU RU2014137467A patent/RU2617493C2/ru active
- 2013-02-14 MY MYPI2014702276A patent/MY173233A/en unknown
- 2013-02-14 AU AU2013221468A patent/AU2013221468B2/en not_active Ceased
- 2013-02-14 CN CN201380009939.8A patent/CN104114513A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1766874A1 (ru) * | 1990-03-22 | 1992-10-07 | Научно-Производственная Фирма Эспо | Способ изготовлени строительных изделий |
| WO1993021122A1 (en) * | 1992-04-13 | 1993-10-28 | Aalborg Portland A/S | Cement composition |
| US7199086B1 (en) * | 2005-11-10 | 2007-04-03 | Halliburton Energy Services, Inc. | Settable spotting compositions comprising cement kiln dust |
| WO2009071962A2 (en) * | 2007-12-04 | 2009-06-11 | Holcim Technology Ltd. | Cementitious compositions for oilwell cementing applications |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2770100C1 (ru) * | 2019-02-01 | 2022-04-14 | Халлибертон Энерджи Сервисез, Инк. | Совместимые буферные жидкости из низкокристаллического диоксида кремния |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2814787A2 (en) | 2014-12-24 |
| CA2863987A1 (en) | 2013-08-22 |
| RU2014137467A (ru) | 2016-04-10 |
| EP2814787B1 (en) | 2018-12-26 |
| AU2013221468B2 (en) | 2015-08-13 |
| CA2863987C (en) | 2018-08-07 |
| WO2013123207A2 (en) | 2013-08-22 |
| WO2013123207A3 (en) | 2013-10-31 |
| MY173233A (en) | 2020-01-07 |
| MX2014009888A (es) | 2014-11-13 |
| MX364245B (es) | 2019-04-17 |
| CN104114513A (zh) | 2014-10-22 |
| IN2014DN06809A (enrdf_load_stackoverflow) | 2015-05-22 |
| AU2013221468A1 (en) | 2014-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HE9A | Changing address for correspondence with an applicant |